buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Thermostat, Engine Cooling > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 4288
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1. Apply thread sealant GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to the sensor threads.
2. Install the ECT sensor.

NOTE:  Refer to Fastener Notice.

Tighten the sensor to 20 N.m (15 lb ft).

3. Connect the fuel injector harness electrical connector to the ECT sensor.
4. Install the air cleaner outlet duct.
5. Install the intake manifold cover.
6. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill).  See: Service

and Repair

Thermostat, Engine Cooling > < Coolant Temperature Sensor/Switch (For Computer)|Locations|Page 4288